Applicator and method for dispensing a fluid and a particulate

An applicator and method for dispensing a stream of a particulate and a fluid from a cannula and a mixing tip. The mixing tip includes a housing having an inlet, an outlet, and a mixing channel extending therebetween. A fin is positioned within the housing and extends along at least a portion of the mixing channel. The fin spirals about the mixing channel from the inlet toward the outlet for mixing and distributing the particulate generally uniformly within the fluid. The stream is directed into the mixing channel of the mixing tip and spiraled along the fin within the mixing channel. The spiraling increases turbulence and mixes the stream into a mixed stream of particulate and fluid. The mixed stream is discharged from the mixing tip for being dispensed onto an anatomical site.

Dispensing assembly having mixing and plunging assembly, and related methods

A dispensing assembly includes a syringe body having a barrel and a dispensing tip. The dispensing assembly further includes a mixing and plunging assembly configured for coupling with the syringe body and comprising a mixer and a plunger. The mixer is configured for mixing material in the barrel and has a rod and a mixing element removably connected with the rod. The plunger is configured to dispense material from the barrel through the dispensing tip. Also, the rod is configured to be detached from the mixing element and used to push material out of the dispensing tip.

GAS-ASSISTED FLUID-DISPENSING DEVICE

A gas-assisted fluid-dispensing device () for delivering an aerosol. The gas-assisted fluid-dispensing device () includes a syringe () that contains a fluid and includes a distal end (), a proximal end (), and a plunger () extending proximally from the proximal end (). A spray nozzle tip () is configured to generate the aerosol and is coupled to the distal end () of the syringe (). The gas-assisted fluid-dispensing device () further includes a housing () having first and second housing portions (). The first housing portion () includes a docking port () for receiving the syringe (); the second housing portion () is configured as a handle. A trigger (), coupled to the housing (), is operably coupled to an actuating member () that is configured to apply a force onto the plunger () of the syringe () and discharge the fluid from the syringe () and into the spray nozzle tip (). A self-contained pressurized gas source () is coupled to the housing () such that it moves with the housing () and is also coupled to the spray nozzle tip (). Delivery of a pressurized gas to the spray nozzle tip () is controlled by a control mechanism () and atomizes the fluid to generate the aerosol. 1. A gas-assisted fluid-dispensing device configured to deliver an aerosol onto a surgical site , the fluid-dispensing device comprising:a syringe configured to contain a fluid, the syringe including a distal end and a proximal end with a plunger extending from the proximal end;a spray nozzle tip coupled to the distal end of the syringe and configured to generate the aerosol;a housing including a first housing portion, a second housing portion configured as a handle, and a docking port on the first housing portion configured to receive the syringe;a trigger coupled to the housing;an actuating member coupled to the first housing portion and operatively coupled to the trigger, the actuating member configured to apply a force to the plunger of the syringe to discharge the fluid from the syringe into ...

APPLICATOR SPRAY NOZZLES WITH PRESSURE RELIEF

A spray nozzle for applying a medicinal agent to a tissue. The spray nozzle comprising a tip housing and a valve. The tip housing has a distal end, a proximal end, and a lumen that extends between the ends and defines a lengthwise central axis. The valve has an elongated body that extends through the lumen of the tip housing, along the lengthwise central axis. The valve, being configured to slide within the lumen of the tip housing, in an extended position with respect therewith is configured to disperse the medicinal agent toward the tissue. When the valve is in the retracted position with respect to the tip housing, the medicinal agent is vented away from the tissue. 1. A spray nozzle for applying a medicinal agent to a tissue , the spray nozzle comprising:a tip housing having a distal end, a proximal end, and a lumen extending therebetween and defining a lengthwise central axis; anda valve having an elongated body extending through the lumen of the tip housing along the lengthwise central axis, the valve configured to slide within the lumen of the tip housing between an extended position and a retracted position,wherein the tip housing with the valve in the extended position is configured to disperse the medicinal agent toward the tissue and the tip housing with the valve in the retracted position is configured to vent the medicinal agent away from the tissue.2. The spray nozzle of claim 1 , further comprising:a plurality of relief vents fluidically coupled to the lumen of the tip housing and configured to vent the medicinal agent when the valve is in the retracted position.3. The spray nozzle of claim 1 , wherein the elongated body of the valve tapers proximally from a distally-positioned maximum width dimension.4. The spray nozzle of claim 3 , wherein an opening in the distal end of the tip housing has a width dimension that meets or exceeds the maximum width dimension of the valve such that when the valve is in the extended position claim 3 , a clearance is ...

GAS-ASSISTED DEVICE AND METHOD FOR DISPENSING BIOMATERIALS

A gas-assisted fluid-dispensing device configured to deliver an aerosol onto a surgical site. The fluid-dispensing device includes at least one fluid chamber configured to contain a fluid. The fluid chamber has a distal end and proximal end. A plunger extends at least partially into the fluid chamber from the proximal end. A spray nozzle tip is fluidly coupled to the distal end of the fluid chamber and is coupled to a gas supply. The tip is capable of generating aerosol with a gas from the gas supply and the fluid from the fluid chamber. A housing has an upper portion with a docking port configured to operably receive the fluid chamber. An actuating member is operably coupled to a plunger and is configured to apply a force to the plunger to discharge fluid from the fluid chamber and into the tip. 1. A gas-assisted fluid-dispensing device configured to deliver an aerosol onto a surgical site , the fluid-dispensing device comprising:first and second fluid chambers configured to contain first and second fluids respectively, the first and second fluid chambers each including a distal end and a proximal end;first and second plungers extending respectively at least partially into the first and second fluid chambers from the proximal ends thereof;a spray nozzle tip fluidly coupled to the distal ends of the first and second fluid chambers and configured to have a gas supply coupled thereto, the spray nozzle tip capable of generating the aerosol with a gas from the gas supply and the fluids from the first and second fluid chambers;a housing having a handle and an upper portion having a docking port configured to operably receive the first and second fluid chambers; andan actuating member operably coupled to the first and second plungers and configured to apply a force to the first and second plungers to discharge the fluids from the first and second fluid chambers and into the spray nozzle tip.2. The gas-assisted fluid-dispensing device of claim 1 , wherein the actuating ...

DEVICE AND METHOD FOR REMOVING GAS FROM A MIXTURE OF BIOMATERIALS

A device and method for removing gas from a mixture of biomaterials includes a vacuum pump movably positioned within a cavity of a syringe at least partially defining a vacuum chamber. The vacuum pump has a pump body with proximal and distal portions, a stopper connected to the distal portion, and a flow channel. The stopper includes an inlet, and the pump body includes a port. The flow channel extends from the inlet to the port and is in fluid communication with the vacuum chamber. A first valve is positioned within the flow channel between the inlet and the port. The first valve is operable to open and close the flow channel for selectively connecting a vacuum to the vacuum chamber such that gas is withdrawn from mixture of biomaterials within the vacuum chamber. 1. A method of removing a gas from a mixture of biomaterials within a syringe , the syringe having a cavity with a vacuum pump positioned therein , the vacuum pump and the syringe at least partially defining a vacuum chamber , the vacuum pump comprising a pump body operatively connected to a stopper , a flow channel extending through the pump body and the stopper , the method comprising;generating a vacuum through the flow channel in fluid communication with the vacuum chamber; andwithdrawing the gas through the flow channel within the stopper and removing the gas from the mixture of biomaterials within the vacuum chamber.2. The method of wherein the biomaterials further comprise bone graft materials.3. The method of further comprising removing the gas from the mixture of bone graft materials just prior to dispensing the mixture of the bone graft materials onto an anatomical site during a medical procedure.4. The method of further comprising filtering the gas from the mixture of biomaterials through a screen covering the flow channel within the stopper.5. The method of further comprising:manipulating the pump body to move the operatively connected plunger through the cavity; andejecting the mixture of ...

DEVICE AND METHOD FOR DISPENSING A LIQUID AND A GAS

A device and method for dispensing a liquid and a gas from a tip includes a support structure, a control unit, and a drive unit. The liquid is held within a container. The support structure is adapted to hold the container. The control unit directs the drive unit to expel liquid from the container according to a predetermined rate. The control unit further directs the drive unit according to first, second, and third modes of operation. During the first mode, neither gas nor liquid is dispensed from the device. During the second mode, only gas is dispensed from the device. During the third mode, both gas and liquid are dispensed from the device. Furthermore, the control unit is only selectable and operable by a user through the first, second, and third modes in a sequential manner. 1. A device for dispensing a liquid and a gas from a tip , the liquid held within a container , comprising;a support structure adapted for holding the container, the support structure having a liquid passage, a gas passage, and a gas supply conduit, the liquid passage adapted to communicate with the container, the gas supply conduit configured to be in selective fluid communication with the gas passage for selectively discharging the gas from the gas passage;a drive unit connected to the support structure, the drive unit configured to actuate for selectively expelling the liquid from the container and selectively discharging the liquid from the liquid passage; anda control unit connected to the support structure, the control unit operatively connected to the drive unit and the gas supply conduit and operative to allow selection and operation according to a first, second, and third mode of operation, the first mode neither actuating the drive unit nor fluidly connecting the gas supply conduit to the gas passage, the second mode fluidly only connecting the gas supply conduit to the gas passage, and the third mode actuating the drive unit and fluidly connecting the gas supply conduit to the ...

INSTRUMENT AND METHOD FOR DELIVERY, DEPLOYMENT, AND TAMPONADE OF HEMOSTATS AND METHODS OF ASSEMBLING AN INSTRUMENT THEREFOR

An instrument for delivery, deployment, and tamponade of a hemostat. A delivery cannula is included and has a proximal end, a distal end, and a lumen therebetween. A shaft is configured to be introduced into and move relative to the lumen. A hemostat applicator at the distal end of the shaft includes a tamponade surface. The applicator is configured to transition between a first, compact state for introduction into and movement within the lumen, and a second, expanded state as the applicator exits from the delivery cannula. 1. An instrument for delivery , deployment , and tamponade of a hemostat , comprising:a delivery cannula having a proximal end, a distal end, and a lumen therebetween;a shaft having a distal end and being configured to be introduced into and move relative to the lumen; anda hemostat applicator at the distal end of the shaft and including a tamponade surface, the applicator being configured to transition between a first, compact state for introduction into and movement within the lumen, and a second, expanded state as the applicator exits from the delivery cannula.2. The instrument of claim 1 , further comprising a plurality of resilient legs coupling the applicator and the distal end of the shaft claim 1 , the legs configured to bias the applicator into the second claim 1 , expanded state.3. The instrument of claim 1 , wherein rotating the shaft relative to the delivery cannula causes the applicator to exit from the delivery cannula.4. The instrument of claim 1 , wherein axial movement of the shaft relative to the delivery cannula causes the applicator to exit from the delivery cannula.5. The instrument of claim 1 , wherein the applicator is configured to articulate relative to the delivery cannula.6. The instrument of claim 1 , wherein the applicator further includes a pocket for receiving and storing the hemostat during delivery thereof.7. The instrument of claim 1 , wherein the shaft moves relative to the lumen along an axis distal end of the ...

DEVICE AND METHOD FOR REMOVING GAS FROM A MIXTURE OF BIOMATERIALS

A device and method for removing gas from a mixture of biomaterials includes a vacuum pump movably positioned within a cavity of a syringe at least partially defining a vacuum chamber. The vacuum pump has a pump body with proximal and distal portions, a stopper connected to the distal portion, and a flow channel. The stopper includes an inlet, and the pump body includes a port. The flow channel extends from the inlet to the port and is in fluid communication with the vacuum chamber. A first valve is positioned within the flow channel between the inlet and the port. The first valve is operable to open and close the flow channel for selectively connecting a vacuum to the vacuum chamber such that gas is withdrawn from mixture of biomaterials within the vacuum chamber.

APPLICATOR AND METHOD FOR DISPENSING A FLUID AND A PARTICULATE

An applicator and method for dispensing a stream of a particulate and a fluid from a cannula and a mixing tip. The mixing tip includes a housing having an inlet, an outlet, and a mixing channel extending therebetween. A fin is positioned within the housing and extends along at least a portion of the mixing channel. The fin spirals about the mixing channel from the inlet toward the outlet for mixing and distributing the particulate generally uniformly within the fluid. The stream is directed into the mixing channel of the mixing tip and spiraled along the fin within the mixing channel. The spiraling increases turbulence and mixes the stream into a mixed stream of particulate and fluid. The mixed stream is discharged from the mixing tip for being dispensed onto an anatomical site.

GAS REGULATOR, CONTROL INTERFACE MODULE, AND METHODS FOR SURGICAL APPLICATIONS

A regulator for regulating the pressure and flow of gas traveling between a gas inlet and a gas outlet. A first pressure regulator in fluid communication with the gas inlet and configured to prevent gas flowing downstream of the first pressure regulator from exceeding a first pressure. A first line between the first pressure regulator and the gas outlet. A second pressure reducing device in fluid communication with the first line downstream of the first pressure regulator and configured to prevent gas flowing in the first line at a point downstream of the second pressure regulator from exceeding a second pressure. A control valve actuatable to an open position when gas is transmitted to a first pilot valve at or below the second pressure, the first pilot valve in fluid communication with the first line. 1. A control interface module configured to control an internal regulator for regulating a pressure and flow of a pressurized gas flowing from a gas inlet to first and second gas outlets , comprising:a housing having a gas inlet and first and second gas outlets; anda multiple position switch on the housing, the switch configured to control whether the gas is to permitted to flow from only one of, each of, or neither of the first and second outlets.2. The control interface module of claim 1 , wherein the switch includes first claim 1 , second claim 1 , and third positions claim 1 , wherein each position of the switch corresponds to a different mode of operation claim 1 , wherein:in a first mode, gas is permitted to flow out of only one of the first or second outlets; andin a second mode, gas is permitted to flow out of each of the first and second outlets.3. The control interface module of claim 2 , wherein:in a third mode, gas is prevented from flowing from either of the first and second outlets.4. The control interface module of claim 1 , further comprising:a knob configured to adjust pressure of the gas flowing from at first outlet.5. The control interface module ...

Medical material mixer and transfer apparatus and method for using the same

Methods, apparatus and kits for preparing a medical mixture are disclosed. A method of preparing the medical mixture includes introducing a material into a tray, transferring the material from the tray to a scooper, releasably securing the scooper to the tray, and introducing a tubular member defining a lumen into the scooper such that the material within the scooper enters the lumen. A mixing apparatus includes a tray comprising a body defining a mixing receptacle configured to receive a material, a scooper having a proximal end with a proximal opening and a distal end with a distal opening, and a connector configured to releasably secure the scooper to the tray. A kit includes a tubular member, a stylet, a tray, and a scooper.

DISPENSING ASSEMBLY HAVING MIXING AND PLUNGING ASSEMBLY, AND RELATED METHODS

A dispensing assembly includes a syringe body having a barrel and a dispensing tip. The dispensing assembly further includes a mixing and plunging assembly configured for coupling with the syringe body and comprising a mixer and a plunger. The mixer is configured for mixing material in the barrel and has a rod and a mixing element removably connected with the rod. The plunger is configured to dispense material from the barrel through the dispensing tip. Also, the rod is configured to be detached from the mixing element and used to push material out of the dispensing tip. 1. A dispensing assembly , comprising:a syringe body having a barrel and a dispensing tip, the mixer being configured for mixing material in the barrel and having a rod and a mixing element removably connected with the rod,', 'the plunger being configured to dispense material from the barrel through the dispensing tip,, 'a mixing and plunging assembly configured for coupling with the syringe body and comprising a mixer and a plunger,'}wherein the rod is configured to be detached from the mixing element and used to push material out of the dispensing tip.2. The dispensing assembly of claim 1 , wherein the rod includes a distal end and the mixing element is removably connected with the rod at the distal end.3. The dispensing assembly of claim 1 , wherein the rod further includes a protrusion and the mixing element includes a groove configured to receive the protrusion to create a snap-fit attachment between the rod and the mixing element.4. The dispensing assembly of claim 3 , wherein at least one of the mixing element and the rod includes a groove to prevent material from being trapped between the mixing element and the rod.5. The dispensing assembly of claim 1 , wherein the rod and plunger are configured to selectively limit slidable movement of the rod with respect to the plunger.6. The dispensing assembly of claim 5 , wherein the rod includes a first connecting portion and the plunger includes a ...

Hub for a medical applicator

Dispensing assembly having mixing and plunging assembly, and related methods

圧抜き部を有する塗布装置のスプレーノズル

【課題】本発明の目的は、スプレー塗布装置、及び塗布装置先端部と手術部位との間の不注意な接触の悪影響を低減する使用方法を提供することである。 【解決手段】薬剤を組織に塗布するスプレーノズルである。スプレーノズルは、先端部ハウジングと弁とを有する。先端部ハウジングは、遠位端と、近位端と、これらの端間に延在するとともに長手方向中心軸を画定するルーメンとを有する。弁は、先端部ハウジングのルーメンを通って長手方向中心軸に沿って延在する細長い本体を有する。先端部ハウジングのルーメン内を摺動するように構成されている弁は、先端部ハウジングに対する伸張位置では、薬剤を組織に向かって分散させるように構成されている。弁が先端部ハウジングに対して収納位置にあるときには、薬剤が組織から離れるように排気される。 【選択図】図２

Gas-assited fluid dispensing device

A gas-assisted fluid-dispensing device (10) for delivering an aerosol. The gas-assisted fluid-dispensing device (10) includes a syringe (14) that contains a fluid and includes a distal end (18), a proximal end (20), and a plunger (24) extending proximally from the proximal end (20). A spray nozzle tip (26) is configured to generate the aerosol and is coupled to the distal end (18) of the syringe (14). The gas-assisted fluid-dispensing device (10) further includes a housing (44) having first and second housing portions (52, 54). The first housing portion (52) includes a docking port (42) for receiving the syringe (14); the second housing portion (54) is configured as a handle. A trigger (50), coupled to the housing (44), is operably coupled to an actuating member (58) that is configured to apply a force onto the plunger (24) of the syringe (14) and discharge the fluid from the syringe (14).

Middle ear pressure equalizing device with improved pressure control

An apparatus for equalizing pressure in a middle ear includes a hand-held air source for providing a continuous flow of air at a predetermined rate and a tapered sealing nostril plug adapted to be sealed against a nostril. The tapered nostril plug has a channel there through for delivering the continuous flow of air. The channel of the tapered plug is adapted to be placed in communication with the air source through an adjustable valve assembly for selecting a pressure limit for the air in the channel of the nostril plug.